Refresh content of dialog

Refresh content of dialog

Hello,

I've been loading an external page into a jquery dialog using the below:

$('<div>').dialog({
            modal: true,
            open: function ()
            {
        $(this).load('viewStop.php');
            },        
            height: 400,
            width: 400,
        position: { my: "center", at: "center", of: window },
            title: 'Bus Stop - Dynamically Loaded Page '
        });

Is it possible to automatically refresh / reload the content say every minute, without closing the dialog?